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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter R - Toxic Substances Control Act |
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Part 761 - Polychlorinated Biphenyls (Pcbs) Manufacturing, Processing, Distribution in Commerce, and Use Prohibitions |
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Subpart O - Sampling To Verify Completion of Self-Implementing Cleanup and On-Site Disposal of Bulk PCB Remediation Waste and Porous Surfaces in Accordance With § 761.61(a)(6) |
§ 761.286 - Sample size and procedure for collecting a sample.
Latest version.
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§ 761.286 Sample size and procedure for collecting a sample.
At each selected sampling location for bulk PCB remediation waste or porous surfaces, collect at least 20 milliliters of waste, or a portion of sufficient weight for the chemical analyst to measure the concentration of PCBs and still have sufficient analytical detection sensitivity to reproducibly measure PCBs at the levels designated in § 761.61(a)(4). Use a core sampler having a diameter ≥2 cm and ≤3 cm. Collect waste to a maximum depth of 7.5 cms.